JPH04134269U - Auxiliary equipment for stud welding guns - Google Patents

Abstract

(57) [Summary] [Purpose] To easily and reliably attach a stud bolt to a stud welding gun in a predetermined direction. [Structure] The stud bolt 3 housed in the tube-shaped chute 2 attempts to descend through the passage port 5a of the control member 5, but is prevented from descending by the locking portion 15e of the lever 5e. . When the holding member 6 is applied to the operating portion 16e of the lever 5e and pressed upward, the lever 5e is elastically deformed outward, and the locking portion 15e retreats outward from the passage port 5a.
The stud bolt 3 passes through the passage hole 5a and is held by the holding member 6. By mounting this held stud bolt 3 on the stud welding gun, it can always be mounted in a predetermined orientation.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is used when installing and filling stud bolts into a stud welding gun. Regarding auxiliary equipment.

0002

[Conventional technology]

A chuck is attached to the tip of the stud welding gun, and the stud bolt is attached to the body. The chuck is designed to hold the parts. Conventional, stud welding gun The stud bolts were inserted manually.

0003

[Problem that the idea aims to solve]

Stud bolts of various shapes are used, but stud bolts with a diameter of 3 to 3 are particularly used. When it comes to small objects of about 5 mm, the conventional manual insertion process hurts the hands and takes a long time. Time work was difficult. Also, the body and welded part (head) of the stud bolt In some cases, the stud bolts may be installed in the opposite direction. If the welding occurs in the opposite direction, or if you notice it before welding, you will have to reinstall it. had to be redone. In this way, the conventional mounting method has problems in terms of workability. Not only was there a problem with this, but there was also a problem with the quality control of welded products.

0004 Therefore, the purpose of this invention is to easily attach a stud bolt to a stud welding gun. Another object of the present invention is to provide an auxiliary instrument that can be reliably installed and filled in a predetermined direction.

[0005]

[Means to solve the problem]

The present invention consists of an alignment device that aligns and supplies stud bolts in a single line; A tube for accommodating and guiding stud bolts ejected from the machine in a single line. A control for regulating discharge from the tube-shaped chute and the stud bolt chute. Release the restriction state of the member and control member, and remove one stud bolt from inside the chute. A stud welding gun auxiliary device equipped with a holding member for taking out and holding the stud. provide.

[0006] In addition, in the above configuration, the width of the slit formed at the bottom of the alignment device is A trough that can be variably adjusted according to the diameter of the body of the head bolt, and a trough that can be vibrated. It also has a vibrating body for adjusting the height.

[0007] In addition, the retaining member is a retaining portion having a through hole for retaining the stud bolt. , a casing into which this holding part is inserted, and a casing fixed to a lower part of this casing; a shaft member having a shaft portion extending upwardly, and the through hole of the holding portion is formed in the shaft portion. The holding member and the shaft member are inserted into the shaft portion of the material from above so as to be movable up and down. An elastic member is interposed between the two.

[0008]

[Effect]

The stud bolts are aligned in a predetermined direction using an alignment device, and then inserted into a tube-shaped chute. are supplied and housed in a line in the chute. housed stud bolt is regulated from being discharged from the chute by a control member. A member that maintains this regulatory state to release it, and then remove the stud bolt inside the chute with the holding member and hold it. This makes it possible to attach it to a stud welding gun.

[0009] A slit is formed at the bottom of the trough, and the width of this slit is the same as that of the stud bolt. It is variably adjustable depending on the diameter of the trunk. Stud bolts are fed into the trough Then, the body falls into the slit due to the vibration of the vibrating body, and the head engages with the bottom. Become a state. In this state, the stud bolts move along the slit and are aligned in a line. It is discharged and sequentially supplied to the chute. The width of the slit is adjustable, so you can Can handle stud bolts of size.

0010 An elastic member is interposed between the holding part of the holding member and the shaft member, and the holding member is When pressed from the opposite direction, it descends against the elastic member. The shaft of the shaft member is inserted into the through hole of the holding part. When the holding part is lowered, the shaft part goes deeper into the through hole, and the penetrating part is inserted. Push up the stud bolt held in the through hole from below. Therefore, the stack By pressing the holding part with the tip of the welding gun and lowering it, the stud bolt can be fixed. Installation is now possible.

[0011]

【Example】

Hereinafter, embodiments of the present invention will be described based on the drawings.

0012 FIG. 1 shows an alignment device 1 and a chute 2. FIG. The alignment device 1 includes a trough 1a, It is composed of a vibrating body 1b that gives vibration to the trough 1a.

[0013] The trough 1a is connected via a mounting plate 1c and a coil spring 1d fixed to the lower surface of the trough 1a. It is connected in an inclined state to the upper surface of the vibrating body 1b with bolts 1e and 1f. bolt 1e and 1f do not restrict the vertical movement of the mounting plate 1c, and the trough 1a does not restrict the vertical movement of the mounting plate 1c. It can move up and down against the spring 1d. The discharge port 1g of the trough 1a is It communicates with the connection port 1i via a passage 1h inside the body 1b. And this connection At the opening 1i, there is a tube-shaped tube made of a lightweight and highly elastic material such as nylon. One end 2b of the chute 2 is connected via a joint 1j. Inside the vibrating body 1b An AC electromagnet 11b and a permanent magnet 12b facing the AC electromagnet 11b are arranged in the section. has been done. The AC electromagnet 11b is fixed to the frame 13b, and the permanent magnet 12b is a holder. It is supported by a leaf spring 15b via 14b. One end of the leaf spring 15b is connected to the holder 14b. The other end is fixed to the frame 13b. When a current is passed through the AC electromagnet 11b, The permanent magnet 12b vibrates. This vibration is amplified by the leaf spring 15b, and the vibration is applied to the holder 14b. It is transmitted to the connected rubber body 16b. Then, from the rubber body 16b to the bottom surface of the trough 1a Vibration is transmitted to the trough 1a via the plate 1k fixed to the trough 1a. As previously mentioned , the trough 1a can move up and down against the coil spring 1d, and is free from vibrations from the plate 1k. It vibrates in response to movement. In addition, the above is when the magnet method is used as the vibration method. However, in addition to this, it is also possible to configure the vibrating body 1b using an eccentric motor or the like. Both are possible.

[0014] FIG. 2 shows a perspective view of the alignment device 1. A slit 11a is formed on the bottom of the trough 1a. has been done. The width of this slit 11a is variable and adjustable depending on the size of the stud bolt. It can be divided into sections. To explain with reference to FIG. 3, as shown in FIG. On the bottom of the main body of the rough 1a, two adjustment plates 12a and 13a are installed at a distance W in the width direction. Laminated to allow sliding. On the other hand, as shown in Figure b, the main body of the trough 1a A cross-shaped notch 14a is formed on the bottom surface, and the longitudinal portion of this notch 14a A distance W is located above the . Therefore, the distance W between both adjustment plates 12a and 13a is the width W This width W is determined by sliding both adjustment plates 12a and 13a in the width direction. It can be reduced or enlarged by To adjust the width W, use the adjusting plates 12a and 13a. The positioning hole 15a provided in the trough 1a and the positioning hole 16a provided in the bottom of the main body of the trough 1a. Insert appropriate parts such as bolts and screws to adjust the sliding position of both adjustment plates 12a and 13a. This is done by making clauses. Positioning hole 15a is located at a position corresponding to the diameter of the stud bolt. However, in this embodiment, three positioning holes 15a are provided for M3, M4, and M5. There is. In addition, the three positioning holes 15a are M5, M5 in order from the side closest to the slit 11a. 4. It will be for M3. Additionally, positioning holes 16a are provided at three locations along the longitudinal direction. From the left side of the page, they are for M5, M4, and M3. For example, both adjusting plates 12a and 13a Slide to adjust the position of M5 positioning hole 12a and M5 positioning hole 13a. When aligned and fixed by inserting screws etc., the width W of slit 11a is adjusted to M5. Ru.

[0015] As shown in Fig. 2, the upper surfaces of both adjusting plates 12a and 13a are made of acrylic or the like. Guide plates 17a and 18a are stacked and fixed. These guide plates 17a and 18a are It acts to guide the stud bolt supplied to 1a in the direction of the slit 11a. As shown in FIG. 4, the slit 11a is formed in the body of the stud bolt 3 in the manner described above. The width W is adjusted to allow only the studs 3a to pass, and the studs supplied to the trough 1a The bolt 3 is guided by the guide plates 17a and 18a, and the body 3a falls into the slit 11a. The head 3b descends in the inclined direction along the slit 11a with the head 3b engaged with the bottom. . Both adjustment plates 12a and 13a are provided with cutouts 12c and 13c, and the slit 11a is provided with cutouts 12c and 13c. The stud bolt 3 that was not guided falls through the notches 12c and 13c, and is shown in Figure 1. It is collected by the collection box 18b shown in FIG. The lower end of the slit 11a is connected to the discharge port 1g. The stud bolts 3, which are in communication and aligned with the slits 11a, are discharged from the discharge port 1g. The liquid is taken out and supplied into the chute 2 from the connection port 1i via the passage 1h.

[0016] As shown in the enlarged view in Fig. 6 (section B in Fig. 1), the chute 2 has a stud bolt. It is best to use different ones depending on the size of the root 3. In this case, the tube inner diameter is The diameter of the head 3b of the bolt 3 should be slightly larger, and the diameter of the chute 2 should be slightly larger than that of the head 3b of the bolt 3. Use joint 1j depending on the type. Figure a shows a strip with a diameter of 5 mm (diameter of the body). A chute 2 for accommodating a stud bolt 3, a stud bolt with a diameter of 3 mm is shown in the figure b. A case in which a chute 2 for accommodating a root 3 is connected is shown in each figure. S As shown in an enlarged view in FIG. 5 (section A in FIG. 1), the other end 2a of the plug 2 It is occluded by c.

[0017] The chute 2 is a stud bolt supplied from the connection port 1i with the body 3a facing downward. After the root 3 is housed inside, one end 2b is closed with a lid 2d, as shown in FIG. It is made into a cassette.

[0018] FIG. 8 shows the control member 5. The control member 5 is for the stud bolt 3 to pass through. A passage port 5a, a connection port 5b to which one end 2b of the chute 2 is connected, and a connection port 5b connected to the passage port 5a. A main body 5d in which a slit 5c and a flange 5g are formed, and a main body 5d. It is composed of an attached lever 5e. The lever 5e is made of an elastic material such as spring steel. As shown in Figure 9, the lower part has a locking part 15 bent at right angles. e, an operating portion 16e bent in a dogleg shape is formed. The upper part of the lever 5e is the main body. 5d with, for example, a screw 5h, and the lower locking part 15e is connected to the main body through the slit 5c. It's inside 5d. The tip of this locking portion 15e enters into the passage port 5a. The stud bolt 3 that has descended from the chute 2 through the passage hole 5a is here. Passage is restricted in this section. In addition, the operation section 16e extends diagonally downward. When you place an object on the part and press it upward, the lever 5e will undergo elastic deformation and lock. The tip of the portion 15e retreats outward from the passage port 5a. As a result, stud bolt 3 restrictions will be lifted.

[0019] As shown in Figure 10, the mating surface of the flange 5g (back side in Figure 8) has a semi-cylindrical shape. A recess 5i is formed, and this flange 5g is connected to a mating flange of the same shape as described later. By tightening the bolts 7g and 7g, the control member 5 is connected to the rod-shaped support guide 7, etc. can be fixed to.

[0020] FIG. 11 shows the holding member 6. The holding member 6 has a through hole with a female thread formed in the lower part. A casing 6a provided with a through hole 6b, and a holding portion that is vertically movably inserted into the through hole 6b. 6c, a shaft member 6d that is screwed and fixed to the female thread of the through hole 6b, and a shaft member 6d that is connected to the holding part 6c and the shaft. It is composed of a coil spring 6e interposed between the member 6d and the member 6d. The holding part 6c has a star A through hole 6f for holding the head bolt 3 is formed in the through hole 6f. The shaft portion 6g of the shaft member 6d is inserted from below. Holding part 6c against coil spring 6e When the stud bolt 3 held in the through hole 6f is pushed down by the shaft 6g, Being pushed up.

[0021] Next, an example of how to use the auxiliary device described above will be described.

[0022] As shown in FIG. 12, a pair of rod-shaped support guides 7 are attached to a magnetic base 7b. Fixed. The flange 5g of the control member 5 and the mating flange 7g are support guides. They are fixed to each other with bolts 5k with 7 in between. The vertical position of the control member 5 is , loosen the bolt 5k and slide the control member 5 up and down along the support guide 7. It can be adjusted freely.

[0023] The connection port 5b of the control member 5 has a chute 2 formed into a cassette in the manner described above. One end 2b of is connected. In other words, the chute 2 should be turned upside down from when feeding. connected. At this time, the stud bolt 3 in the chute 2 has its head 3b facing downward. It is now in the state where it is. Then, the stud bolt 3 is prevented from passing by the lever 5e. Regulated.

[0024] Next, the holding member 6 is applied to the control member 5 from below and pressed upward. yes Then, the operating part 16e of the lever 5e is pressed outward by the holding member 6, and the locking part 16e is pressed outward by the holding member 6. Since the tip of 15e retreats outward from the passage hole 5a, the stud bolt 3 a, and is fitted into the through hole 6f of the holding member 6 from the head 3b side. this In this way, one stud bolt 3 is taken out from inside the chute 2 in a predetermined direction. Ru.

[0025] The removed stud bolt 3 is attached to the stud welding gun as shown in Figure 13. Stud welding is performed on the holding portion 6c of the holding member 6 that holds the stud bolt 3. Place the tip of the chuck 8a attached to the gun 8 and push down the holding part 6c. This is done by raising As mentioned above, when the holding part 6c is pushed down, the through hole Since the stud bolt 3 held at 6f is pushed up by the shaft 6g, the stud bolt 3 held at The head bolt 3 is fitted into the chuck 8a from the body 3a. Therefore, chuck 8a holds the body 3a of the stud bolt 3, and the welding work is carried out in that state. If this is done, the head 3b (welding part) will be welded to the workpiece.

[0026] FIG. 14 shows a plurality of holding members 6 (in the figure) mounted on a rotatable and swingable table 9. 4) at 90 degree intervals, and using the swing of the table 9, the holding members 6 By pressing the lever 5e of the control member 5, one stack is removed from the chute 2. An embodiment in which the bolt 3 is taken out is shown. The table 9 has a fixed shaft 9a, for example. via a spherical bearing (not shown) or the like so that it can rotate and swing freely. Fixed axis A through hole 9b is formed in 9a, and a positioning member 9c is inserted into this through hole 9b. It is supported swingably on a pivot shaft 9d. Straps are provided at both ends of the positioning member 9c. A cap 9e is fixed and pressed upward by a coil spring 9f. Also, Te On the bottom surface of cable 9, there are four ) is formed with a gentle recess, and the tip of the stopper 9e engages with this recess. By doing so, the table 9 is positioned. Above table 9 is a support A control member 5 slidably supported by the guide 7 is disposed, and the stud bolt 3 Chute 2 containing the is connected.

[0027] Place the holding member 6 at a predetermined position on the table 9, and rotate the table 6 manually. As the end of the stopper 9e engages with the recess on the lower surface of the table 6, positioning is performed. At this time, the holding member 6 is located directly below the control member 5. . In this state, push down the peripheral portion of the table 9 facing the control member 5, When the table 9 is rocked, the holding member 6 located directly below the control member 5 rises. Press the lever 5e of the control member 5. As a result, the restricted state of the control member 5 is released. Then, one stud bolt 3 is taken out from inside the chute 2 by the holding member 6. Ru. When the removal of the stud bolt 3 is completed and the pressure on the table 9 is stopped, the table 9 returns to the horizontal state by the coil spring 9f, and the raised holding member 6 returns to its original position. return. After that, the table 9 is rotated to supply the next holding member 6 to a predetermined position, and the following Repeat the above operation. In addition, the peripheral edge of the table 9 in the direction perpendicular to the plane of the paper should be supported with appropriate support. It is preferable to support it on a stage (not shown). Also, the above is based on manual operation. As an explanation of the case, the rotation, positioning, and swinging operations of the table 9 may be performed as appropriate. Automation is possible by means of

[0028] FIG. 15 shows another embodiment of the control member 5. This control member 5 is a stud bolt. A passage port 5a for allowing the chute 3 to pass through, and a connection port to which one end 2b of the chute 2 is connected. 5b, a main body formed with two slits 5c communicating with the passage port 5a from opposite directions; 5d, and a wire member 5e attached to the main body 5d. The wire member 5e is a spring. It is made of an elastic material such as steel, and the upper part is bolted to the main body 5d, for example. It is fixed to the holder 5f by soldering etc., and its lower part is bent in a dogleg shape to form a slit. It enters into the inside of the cylindrical member 5d from 5c. The apex of this doglegged part is the passageway. 5a, and the passage opening 5a is narrowed at the portion where the apex faces. death Therefore, the stud bolt 3 that has descended from the chute 2 through the passage port 5a is Passage is restricted in this part. Also, the lower side of the dogleg-shaped portion of the wire member 5e is on the outside. The wire member 5e becomes elastic when an object is applied to this part and pressed upward. The deformation occurs, and the apex of the doglegged portion retreats outward from the passage port 5a. This results in , the restricted state of the stud bolt 3 is released.

[0029] FIG. 16 shows another embodiment of the control member 5. This control member 5 is connected to the passage port 5a and and a truncated cone screwed onto the lower part of the main body 5d. A sleeve 5g' having a shaped inner diameter part 5h' is inserted into the inner diameter part 5h' of the sleeve 5g'. It consists of a chuck 5i to be inserted and a disc spring 5j that constantly presses the chuck 5i downward. It will be done. The disc spring 5j has a passage opening 5k' large enough for the stud bolt 3 to pass through. The stud bolt 3 passes through this passage hole 5k' and enters the chuck 5i. It goes into the 5m through hole. The chuck 5i is formed with a plurality of slits 5n in the axial direction. When the chuck 5i is pressed downward, the inner diameter portion 5h' grips the outer peripheral surface. It is pressed to close the slit 5n. Therefore, the portion where the slit 5n is formed is The through hole 5m is narrowed, and the stud bolt 3 is restricted from passing through this portion. star To remove the head bolt 3, chuck the holding member 6 from below in the same way as described above. the lower end of the chuck 5i, and press the chuck 5i upward against the disc spring 5j. This is done according to the following. When the chuck 5i is pressed upward, the narrowed through hole 5 m to make it possible to take out the stud bolt 3.

[0030] Note that the control member shown in FIGS. 15 and 16 is provided with a flange 5g, and the above-mentioned aspect Alternatively, it may be slidably supported by a pair of support guides 7.

[0031]

[Effect of the idea]

As explained above, the present invention allows stud bolts to be held in a predetermined direction by a holder. This stud bolt can be attached simply by pressing the holder with the tip of the stud welding gun. It is now possible to install and fill the battery. Therefore, according to the present invention, the star It is extremely easy to install and fill stud bolts into a stud welding gun, and it is possible to do so in a specified direction. It can be done reliably.

[0032] In addition, the slit width of the trough can be variably adjusted according to the diameter of the body of the stud bolt. By making it possible to process various stud bolts.

[0033] Furthermore, as shown in the example, the chute-like chute is aligned in advance with an alignment device. By accommodating the raised stud bolt and making this chute itself into a cassette shape, , it is possible to perform welding work at a location away from the location where the alignment device is installed. deer Also, when performing simultaneous welding work at multiple locations, it is necessary to have at least one alignment device. This is advantageous in terms of cost.

[Brief explanation of drawings]

FIG. 1 is a side view showing an alignment device and a chute.

FIG. 2 is a perspective view of the alignment device.

FIG. 3 is a plan view of the trough.

FIG. 4 shows a perspective view of the trough, a side view of the stud bolt, and a plan view of the trough.

5 is an enlarged sectional view of section A in FIG. 1. FIG.

6 is an enlarged sectional view of section B in FIG. 1. FIG.

FIG. 7 is a cross-sectional view of the chute.

FIG. 8 is a plan view and a side view of the control member.

FIG. 9 is a perspective view of the lever of the control member.

FIG. 10 is a back view showing the mating surfaces of the flanges of the control member.

FIG. 11 is a sectional view of the holding member.

FIG. 12 is a side view and a plan view showing an example of removing a stud bolt.

FIG. 13 is a side view showing an example of filling and mounting a stud bolt into a stud welding gun.

FIG. 14 is a plan view and a side view showing an example of removing a stud bolt.

FIG. 15 is a sectional view showing another embodiment of the control member.

FIG. 16 is a sectional view showing another embodiment of the holding member.

[Explanation of symbols]

1 Alignment device 11c slit 2 Shoot 3 Stud bolt 3a Torso 5 Control member 6 Holding member 6a Casing 6c Holding part 6d Shaft member 6e coil spring 6f through hole 6g shaft 8 Stud welding gun

Claims (3)

[Scope of utility model registration request] 1. An auxiliary device for mounting and filling stud bolts into a stud welding gun, comprising: an alignment device for aligning and supplying stud bolts in a straight line; and an auxiliary device for aligning and feeding the stud bolts discharged from the alignment device. Accommodated in
A tube-shaped chute for guiding the stud bolt, a control member for regulating the discharge of the stud bolt from the chute, and a control member for releasing the regulating state of the control member and controlling the discharge of the stud bolt from the chute.
An auxiliary tool for a stud welding gun, comprising a holding member for taking out and holding one stud bolt from inside the gun. [Claim 2] A claim comprising an alignment device having a trough in which the width of the slit formed at the bottom can be variably adjusted according to the diameter of the body of the stud bolt, and a vibrating body for vibrating the trough. Auxiliary equipment for the stud welding gun in item 1. 3. A holding part having a through hole for holding a stud bolt, a casing into which the holding part is inserted, and a shaft part fixed to a lower part of the casing and extending upward. A holding member comprising a shaft member provided with a shaft member, wherein a through hole of the holding portion is inserted into the shaft portion of the shaft member from above so as to be vertically movable, and a space between the holding member and the shaft member is provided. 3. The auxiliary tool for a stud welding gun according to claim 1, further comprising a holding member having an elastic member interposed therebetween.